Copy the upgrade.bin file directly to the root directory (not inside a folder). Unplug the TV. Insert the USB drive into the USB port.
This content is designed to help you locate, download, and use the firmware/software for the , specifically for files split into parts like "part3.rar". 📺 ONIDA LEO40FAIN Software Update Guide
Download ONIDA_LEO40FAIN_Part1.rar , Part2.rar , and Part3.rar .